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| Intel Core2 Duo E8400 vs AMD Athlon X2 4450B |
Released January, 2008
Intel Core2 Duo E8400
- 3 GHz
- Dual core
Reasons to buy the Intel Core2 Duo E8400
![]() | Much more l2 cache 6 MB | ![]() | Much higher clock speed 3 GHz |
![]() | Much better PassMark score 2,160 | ![]() | Much better PassMark (Single core) score 1,251 |
VS
Released April, 2008
AMD Athlon X2 4450B
- 2.3 GHz
- Dual core
Reasons to buy the AMD Athlon X2 4450B
![]() | Significantly lower typical power consumption 36.56W | ![]() | Much higher Maximum operating temperature 78 °C |
![]() | Significantly lower annual home energy cost 10.84 $/year | ![]() | Significantly lower annual commercial energy cost 39.42 $/year |
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Differences What are the advantages of each
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Much more l2 cache | 6 MB | vs | 1 MB | 6x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
---|---|---|---|---|---|---|---|
Much higher clock speed | 3 GHz | vs | 2.3 GHz | More than 30% higher clock speed | |||
Much better PassMark score | 2,160 | vs | 1,170 | Around 85% better PassMark score | |||
Much better PassMark (Single core) score | 1,251 | vs | 692 | More than 80% better PassMark (Single core) score | |||
Much better geekbench 2 (32-bit) score | 2,826 | vs | 1,720 | Around 65% better geekbench 2 (32-bit) score | |||
Much newer manufacturing process | 45 nm | vs | 65 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
Much better overclocked clock speed (Air) | 4.22 GHz | vs | 3 GHz | More than 40% better overclocked clock speed (Air) | |||
Much more l2 cache per core | 3 MB/core | vs | 0.5 MB/core | 6x more l2 cache per core | |||
Much better overclocked clock speed (Water) | 4.23 GHz | vs | 2.58 GHz | Around 65% better overclocked clock speed (Water) | |||
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Significantly lower typical power consumption | 36.56W | vs | 52.81W | More than 30% lower typical power consumption | |||
Much higher Maximum operating temperature | 78 °C | vs | 72.4 °C | Around 10% higher Maximum operating temperature | |||
Significantly lower annual home energy cost | 10.84 $/year | vs | 15.66 $/year | More than 30% lower annual home energy cost | |||
Significantly lower annual commercial energy cost | 39.42 $/year | vs | 56.94 $/year | More than 30% lower annual commercial energy cost |
Benchmarks Real world tests of Core2 Duo E8400 vs Athlon X2 4450B
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Core2 Duo E8400
2,982
Athlon X2 4450B
1,797
GeekBench 3 (Single core) Data courtesy Primate Labs
Core2 Duo E8400
1,625
Athlon X2 4450B
958
GeekBench 3 (AES single core) Data courtesy Primate Labs
Core2 Duo E8400
128,000 MB/s
Athlon X2 4450B
63,200 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Core2 Duo E8400
2,826
Athlon X2 4450B
1,720
GeekBench
Core2 Duo E8400
4,794
Athlon X2 4450B
2,404
PassMark Data courtesy Passmark
Core2 Duo E8400
2,160
Athlon X2 4450B
1,170
PassMark (Single Core)
Core2 Duo E8400
1,251
Athlon X2 4450B
692
Specifications Full list of technical specs
summary | Core2 Duo E8400 | vs | Athlon X2 4450B |
---|---|---|---|
Clock speed | 3 GHz | 2.3 GHz | |
Cores | Dual core | Dual core | |
Socket type | |||
LGA 775 | |||
AM2+ | |||
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | Yes | Yes | |
Has virtualization support | Yes | Yes | |
Instruction set extensions | |||
SSE2 | |||
MMX | |||
SSE3 | |||
SSE | |||
SSE4.1 | |||
3DNow! | |||
Supplemental SSE3 | |||
Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
TDP | 65W | 45W | |
Annual home energy cost | 15.66 $/year | 10.84 $/year | |
Annual commercial energy cost | 56.94 $/year | 39.42 $/year | |
Performance per watt | 1.83 pt/W | 1.58 pt/W | |
Typical power consumption | 52.81W | 36.56W |
details | Core2 Duo E8400 | vs | Athlon X2 4450B |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 2 | 2 | |
L2 cache | 6 MB | 1 MB | |
L2 cache per core | 3 MB/core | 0.5 MB/core | |
Manufacture process | 45 nm | 65 nm | |
Max CPUs | 1 | 1 | |
Operating temperature | Unknown - 72.4°C | Unknown - 78°C | |
overclocking | |||
Overclocked clock speed | 4.22 GHz | 3 GHz | |
Overclocked clock speed (Water) | 4.23 GHz | 2.58 GHz | |
Overclocked clock speed (Air) | 4.22 GHz | 3 GHz | |
integrated graphics | |||
GPU | None | None | |
Label | N/A | N/A | |
Latest DirectX | N/A | N/A | |
Number of displays supported | N/A | N/A | |
GPU clock speed | N/A | N/A | |
Turbo clock speed | N/A | N/A | |
3DMark06 | N/A | N/A |
Intel Core2 Duo E8400 ![]() | AMD Athlon X2 4450B ![]() |
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